How can a Nest be evil?

In this Insights video Matt Owen talks about Google's $3.2 billion acquisition of 'Internet of Things' company Nest.This acquisition has prompted a lot of speculation and hyperbole in the press around the evils of Google and how it's going to be intruding into our homes.<p>Google acquired 'Internet of Things' company Nest for $3.2 billion. They're the guys who do the smart smoke alarms and smart thermostats. How evil is Google and will it use Nest to intrude into our homes</en-us/p>